In the given reaction

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ALOK_RAJ Asked Dec 1, 2023

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ALOK_RAJ Asked Nov 28, 2023

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The reaction given below, involving the gases is observed to be first order with rate constant $7.48 \times 10^{-3} {sec}^{-1}$.

ALOK_RAJ Asked Nov 28, 2023

by ALOK_RAJ

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Aayush Asked Feb 2

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Assuming 100% yield of the reaction, how many moles of NaHCO3 will produce 448 mL of CO2 gas at STP according to the reaction —

Aayush Asked Feb 2

by Aayush

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Aayush Asked Feb 2

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If 30 ml of H2 and 20 mL of O2 react to form water, what will be left at the end of the reaction?

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by Aayush

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Chandan Asked Aug 13, 2023

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For the reaction

Chandan Asked Aug 13, 2023

by Chandan

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ANAND_YADAV Asked Aug 7, 2023

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The rate of first-order reaction is $0.04 {~mol} {~L}^{-1} {~s}^{-1}$ at $10 {s}$ and $0.03 {mol} {~L}^{-1} {~s}^{-1}$ at $20 {~s}$ after initiation of the reaction. The half-life period of the reaction is

ANAND_YADAV Asked Aug 7, 2023

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ANAND_YADAV Asked Jul 30, 2023

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When white phosphorus reacts with caustic soda, the products are PH3 and NaH2PO2. This reaction is an example of :

ANAND_YADAV Asked Jul 30, 2023

by ANAND_YADAV

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Shiv roshan kushwaha Asked Apr 3, 2022

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Which of the following can show disproportionation reaction :

Shiv roshan kushwaha Asked Apr 3, 2022

by Shiv roshan kushwaha

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Aayush Asked Jan 30

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K2Cr2O7 + C2O4^2– + H2SO4 → K2SO4 + CO2 + Cr2(SO4)3 + H2O. In above reaction, identify the elements which do not undergo change in their oxidation state —

Aayush Asked Jan 30

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Aayush Asked Jan 30

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What volume of 0.25 M HNO3 (nitric acid) solution reacts with 50 mL of 0.15 M Na2CO3 (sodium carbonate) solution in the following reaction —

Aayush Asked Jan 30

by Aayush

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ALOK_RAJ Asked Aug 18, 2023

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In the balanced chemical reaction —

ALOK_RAJ Asked Aug 18, 2023

by ALOK_RAJ

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ANAND_YADAV Asked Jul 30, 2023

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Arsenic estimation can be done by Bettendorff's process. The reaction is given below:

ANAND_YADAV Asked Jul 30, 2023

by ANAND_YADAV

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ANAND_YADAV Asked Aug 7, 2023

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Consider the following reactions at 300K.

ANAND_YADAV Asked Aug 7, 2023

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ALOK_RAJ Asked May 7, 2022

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Higher order (>3) reactions are rare due to —

ALOK_RAJ Asked May 7, 2022

by ALOK_RAJ

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Aayush Asked Feb 2

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From the following reaction sequence —

Aayush Asked Feb 2

by Aayush

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Aayush Asked Feb 2

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Which of the following is not a redox reaction —

Aayush Asked Feb 2

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ALOK_RAJ Asked May 7, 2022

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The addition of a catalyst during a chemical reaction alters which of the following quantities?

ALOK_RAJ Asked May 7, 2022

by ALOK_RAJ

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2 Votes

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Aayush Asked Feb 2

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If 6.3 g of NaHCO3 are added to 15.0 g of CH3COOH solution, the residue is found to weight 18.0 g. What is the mass of CO2 released in this reaction?

Aayush Asked Feb 2

by Aayush

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Shiv roshan kushwaha Asked Apr 22, 2022

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In a second order reaction, when the concentration of both the reactants are equal, the reaction is completed 20% in 500s. How long would it take for the reaction to go to 60% completion?

Shiv roshan kushwaha Asked Apr 22, 2022

by Shiv roshan kushwaha

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4 Votes

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ALOK_RAJ Asked Nov 28, 2023

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The plot of 1/x_A versus 1/y_A (where x_A and y_A are the mole fractions of A in liquid and vapour phases respectively) is linear whose slope and intercept respectively are given as

ALOK_RAJ Asked Nov 28, 2023

by ALOK_RAJ

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Chandan Asked Aug 9, 2023

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Which reaction represents auto redox or disproportionation reaction :

Chandan Asked Aug 9, 2023

by Chandan

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Aayush Asked Feb 7

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In the equation given below what are the SI units of C1 and C2, if y is in meter and t is in second.

Aayush Asked Feb 7

by Aayush

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Aayush Asked Jan 4

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At what $\frac{\left[ Br ^{-}\right]}{\sqrt{\left[ CO _{3}^{2-}\right]}}$ does the following cell have its reaction at equilibrium?

Aayush Asked Jan 4

by Aayush

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Aayush Asked Jan 3

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Find $E ^{0}$ for the following reaction : $MnO _{4}^{-}+4 H ^{+}+3 e ^{-} \longrightarrow MnO _{2}+2 H _{2} O$

Aayush Asked Jan 3

by Aayush

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Chandan Asked Sep 15, 2023

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For the elementary reaction $M \rightarrow N$, the rate of disappearance of M increases by a factor of 8 upon doubling the concentration of M. The order of the reaction with respect to M is

Chandan Asked Sep 15, 2023

by Chandan

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ALOK_RAJ Asked Dec 1, 2023

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Two students performed the same experiment separately and each one of them recorded two readings of mass which are given below.

ALOK_RAJ Asked Dec 1, 2023

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ALOK_RAJ Asked Oct 18, 2023

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You are given the following cell at 298K, $Zn \left| Zn^{++} _{( aq .)}\right|| HCl ( aq .)|\left| H _{2}( g )\right| Pt$ with $E _{\text {cell }}=0.701 V$ and $E _{ Zn ^{2+} / Zn }^{0}=-0.76 V$.

ALOK_RAJ Asked Oct 18, 2023

by ALOK_RAJ

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ALOK_RAJ Asked Aug 31, 2023

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Compressibility factor (Z) for N2 at $-23^{\circ} C$ and 25 atm pressure is 1.2. Calculate moles of N2 gas required to fill a gas cylinder of 7 liter capacity under the given conditions :

ALOK_RAJ Asked Aug 31, 2023

by ALOK_RAJ

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ALOK_RAJ Asked Aug 18, 2023

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Compressibility Factor : The ratio of the observed volume of a gas to the calculated volume under given conditions of temperature ano pressure is knwon as compressibilty Factor(Z) of the gas.

ALOK_RAJ Asked Aug 18, 2023

by ALOK_RAJ

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Chandan Asked Aug 13, 2023

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Consider the molecules CH4, NH3 and H2O. Which of the given statements is false?

Chandan Asked Aug 13, 2023

by Chandan

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Aayush Asked Feb 7

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In a given slide callipers 10 division of its vernier coincides with its 9 main scale division.

Aayush Asked Feb 7

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Aayush Asked Feb 7

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The position of a particle at any time is given by.

Aayush Asked Feb 7

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Chandan Asked Sep 11, 2023

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A projectile is given an initial velocity of $\hat{i}+2 \hat{j}$. The cartesian equation of its path is —

Chandan Asked Sep 11, 2023

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ALOK_RAJ Asked Aug 18, 2023

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The number of moles of Phosphoric acid H3PO4 that can be produced, by allowing 0.8 moles of H2, 0.9 moles of P4 and 1 mole of O2 to combine according to the given unbalanced reaction, is :

ALOK_RAJ Asked Aug 18, 2023

by ALOK_RAJ

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Chandan Asked Aug 9, 2023

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What weight of CO is required to form Re2(CO)_{10} from 2.42 g of Re2O7 according to the given unbalanced reaction?

Chandan Asked Aug 9, 2023

by Chandan

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ALOK_RAJ Asked May 7, 2022

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A hypothetical reaction, A2 + B2 $\longrightarrow$ 2AB follows the mechanism as given below —

ALOK_RAJ Asked May 7, 2022

by ALOK_RAJ

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In the given reaction

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