Download App

Question Bank [2022] Chemistry - Question Bank [2022]

Maharashtra Board - STD 12 - Chemistry (MSBSHSE - Semi English Medium). 647 questions in this chapter.

Question types

Question Bank [2022] question types

647 questions across 5 question groups — pick any mix to generate a Chemistry paper with step-by-step answer keys.

647
Questions
5
Question groups
5
Question types
Sample Questions

Question Bank [2022] questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1MCQ1 Mark
In interhalogen compounds, which of the following halogens is never the central atom?
  • A
    I
  • B
    Cl
  • C
    Br
  • ✓
    F

Answer: D.

View full solution →
Q 2MCQ1 Mark
Effect of catalyst in a chemical reaction is to change the _______.
  • ✓
    activation energy
  • B
    equilibrium concentration
  • C
    final products
  • D
    heat of a reaction

Answer: A.

View full solution →
Q 3MCQ1 Mark
A cell constituted by two electrodes $A \left( E _{ A ^{+} / A }^0=0.35 V \right)$ and $B \left( E _{ B ^{+} / B }^0\right)$ has value of $E _{\text {cell }}^0$ equal to ________
  • A
    $0.77 V$
  • ✓
    $0.07 V$
  • C
    $-0.77 V$
  • D
    $-0.07 V$

Answer: B.

View full solution →
Q 4MCQ1 Mark
The Henry's law constant of a gas is $6.7 \times 10^{-4} mol /( L$ bar). Its solubility when the partial pressure of the gas at 298 K is 0.65 bar is ............
  • ✓
    $4.355 \times 10^{-4} mol / L$
  • B
    $4.355 \times 10^{-2} mol / L$
  • C
    $2.225 \times 10^{-6} mol / L$
  • D
    $2.225 \times 10^{-2} mol / L$

Answer: A.

View full solution →
Q 5MCQ1 Mark
A compound is made up of two elements X and Y and crystallizes in bcc structure. Atoms of X are present at the corners of the cube. Atoms of Y are present at the centre of the cube. The formula of the compound is ______.
  • A
    $X _2 Y$
  • ✓
    $XY$
  • C
    $X Y_2$
  • D
    $X _2 \gamma_3$

Answer: B.

View full solution →
Q 7Answer the following in one or two sentence.2 Marks
Write the name of one example of each polymer in which following repeating units.
$\begin{array}{cc}
\ce{(-CF2-CF2-), -[NH-(CH2)5-CO] -, -(CH2-CH-), (-CH2-CH2-)}\\
\phantom{............................}|\\
\phantom{..............................}\ce{CN}
\end{array}$
View full solution →
Q 11Answer the following in brief.3 Marks
For the reaction $2A + B \rightarrow C$, rate of disappearance of A $0.076\ mol\ s ^{–1}.$​​​​​​​
  1. What is the rate of formation of C?
  2. What is the rate of consumption of B?
  3. What is the rate of the overall reaction?
View full solution →
Q 12Answer the following in brief.3 Marks
Write a mathematical formula for mole ratio. How long will it take to produce $2.415g$ of Ag metal from its salt solution by passing a current of $3A$? Molar mass of $Ag= 107.9\ g\ mol^{-1}$​​​​​​​.
View full solution →
Q 20Answer the following in detail.4 Marks
Give one example of the reaction where order and molecularity are the same.
Mention any two factors that influence the rate of chemical reaction.
If for the reaction A → products, a straight line graph passing through origin is obtained between the rate of reaction against concentration of A, what would be the order of reaction? Why?
View full solution →
Q 21Answer the following questions:1 Mark
The vapour pressures of pure liquids $A$ and $B$ are $0.600$ bar and $0.933$ bar respectively, at a certain temperature.
What is the mole fraction of liquid $B$ in the solution when the total vapour pressure of their mixture is $0.8$ bar?
View full solution →
Browse all question groups ↑

Generate a Question Bank [2022] paper free

Pick question groups from the list above, set marks and difficulty, and export a branded PDF with step-by-step answer keys. First 3 chapters free — no signup.

Download App
Generate Paper FreeAll Chemistry chapters