List of practice Questions

Which of the following is dependent on temperature?
For a given reaction, △H = 35.5 kJ mol–1 and △S = 83.6 JK–1 mol–1. The reaction is spontaneous at  :
(Assume that△H and △S do not vary with temperature)
The most suitable method of separation of 1 : 1 mixture of ortho and para-nitrophenols is
Which one of the following pairs of species have the same bond order?
Identify A and predict the type of reaction
Identify A and predict the type of reaction
A first order reaction has a specific reaction rate of 10–2 s–1. How much time will it take for 20 g of the reactant to reduce to 5 g?
Name the gas that can readily decolourises acidified KMnO4 solution:
The heating of phenyl-methyl ethers with HI produces.
Pick out the correct statement with respect \([Mn(CN)_6]^{3–}\) :
Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field?
The equilibrium constants of the following are.
\(N_2+3H_2⇋NH_3\)     \(K_1\)
\(N_2+O_2⇋2No\)    \(K_2\)
\(H_2+\frac 12O_2⇋H_2O\)    \(K_3\)
The equilibrium constant \((K)\) of the reaction:
\(2NH_3+\frac 52O_2⇋2NO+3H_2O\)
will be
Which of the following reactions is appropriate for converting acetamide to methanamine?
Mechanism of a hypothetical reaction \(X_2 + Y_2→ 2XY\) is given below :
(i) \(X_2→ X + X\) (fast)
(ii) \(X + Y_2⇋ XY + Y\) (slow)
(iii) \(X + Y → XY\) (fast)
The overall order of the reaction will be
The IUPAC name of the compound
The IUPAC name of the compound
Extraction of gold and silver involves leaching with CN– ion. Silver is later recovered by
A crude drug powder was heated with ferric chloride, water and concentrated hydrochloric acid followed by extraction with chloroform. The chloroform byer was treated with ammonia, the ammonical layer turned pink. The test indicates presence of ______ phytoconstitutent.
Which among the following is the strongest acid?
If $cosec\, \theta - \cot \theta = 2017$, then quadrant in which $\theta $ lies is

The campaign of "Green City, Clean City" started by the Municipal Council did not have any response from the people. Decide which of the assumptions is implicit in the statement: 

% Assumptions 

I. People do not desire to keep their city clean and green. 
II. The Municipal Council has failed in its campaign.

All terrorists are culpable. All terrorists are criminals. Choose the conclusion that can be drawn from the following statements: 

% Statements

 I. Either all criminals are culpable or all culpable are criminals. 
II. Some culpable persons are criminals. 
III. Generally criminals are culpable. 
IV. Crime and culpability go together.

All film stars are playback singers. All film directors are film stars. Choose the conclusion that can be drawn from the following statements: 

 I. All film directors are playback singers. 
II. Some film stars are film directors.

Jayant is always successful. No fool is always successful. Choose the conclusion that can be drawn from the following statements: 

 I. Jayant is a fool. 
II. Jayant is not a fool.

All tubes are handles. All balls are handles. Choose the conclusion that can be drawn from the following statements: 

% Statements 

I. All cups are tubes. 
II. Some handles are not balls.

Ram has scored 92% in the interview and he is fluent in English. He has six years of work experience as an Associate Engineer and knows Hindi. He was born on 30th March 1984.
Decide:

If \( 3y + x > 2 \) and \( x + 2y \leq 3 \), what can be said about the value of \( y \)?