Question 1 :
Which of the following is correct statement regarding $N(CH_3)_3$ and $N(SiH_3)_3$?

Question 5 :
Assertion: $H_{3}PO_{4}$ and $H_{3}PO_{3}$ both are present in fertilizers. Reason: $H_{3}PO_{3}$ increases the solubility of fertilizers.

Question 6 :
In a cell, the following reaction takes place: $Fe + CuSO_{4} \rightarrow FeSO_{4} + Cu$. The cell can be represented as:

Question 7 :
<span class="wysiwyg-font-size-small"><span class="wysiwyg-font-size-small"><p class="wysiwyg-text-align-left">Which of the following energy changes occur in galvanic cell?</p>

Question 9 :
During the working of a galvanic cell and with the passage of time:

Question 11 :
Assertion: At the end of electrolysis using Pt electrodes, an aqueous solution of $CuSO_4$ turns colorless. Reason: $CuSO_4$ changes to $Cu(OH)_2$ during elctrolysis.

Question 14 :
The heats of adsorption (in $kJ/mol$)&#160;in physisorption or physical adsorption lie in the range of:

Question 20 :
A hydrocarbon $'A' (C_{3}H_{8})$ on treatment with chlorine in presence of sunlight yielded compounds $'B'$ as major product. Reaction of $'B'$ with aqueous $KOH$ gave $'C'$ which on treatment with concentrated $H_{2}SO_{4}$ yielded $'D'$. Hydrogenation of $'D'$ gave back $'A'$. The sequence of reactions involved in above conversion is:

Question 26 :
<p>When phenol reacts with $CHCI_3$ and $KOH$ the product obtained would be</p>

Question 27 :
$K_{3}\left [ Al\left ( C_{2}O_{4} \right )_{3} \right ]$ is called:<br/>

Question 28 :
$2.33$g of compound X(empirical formula $CoH_{12}N_4Cl_3)$ upon treatment with excess $AgNO_3$ solution produces $1.435$g of a white precipitate. The primary and secondary valences of cobalt in compound X, respectively, are.<br>[Given : Atomic mass: $Co=59, Cl=35.5, Ag=108$].<br>

Question 31 :
The formula of the compound which gives violet colour in Lassaigne's test for sulphur with sodium nitroprusside is:

Question 32 :
As per IUPAC nomenclature, the name of the complex $[Co(H_2O)_4(NH_3)_2]Cl_3$ is:<br>

Question 34 :
When $1$ mol $CrCl_3\cdot 6H_2O$ is treated with excess of $AgNO_3, 3$ mol of $AgCl$ are obtained. The formula of the complex is?

Question 35 :
The IUPAC name of $K_{2}\left [ Zn\left ( OH \right )_{4} \right ]$ is:<br/>

Question 41 :
Which of the following is used in makingautomobile tyres and foot wear?<br>

Question 44 :
A high molecular weight molecule built from a&#160;large number of small molecules is called a ____.<br/>

Question 52 :
As plastics and synthetic fibers consist of repeating monomer units, they are known as ______ .

Question 56 :
A high molecular weight molecule which does&#160;not contain repeating structural units is called&#160;a: