1 Which among the following components belongs to lipdis? A) BHA B) Novestrol C) Terpenes D) Cloroxylenol
3 Which among the following methods is not suitable for the preparation of alkyl chlorides ? A) Addition of HCl to alkene B) Treating alcohols with Lucas reagent C) By heating alochols with thionyl chloride D) Chlorination of alkanes in presence of sunlight
4 If concentration of reactant 'A' is increased by 10 times the rate of reaction becomes 100 times . what is the order of reaction. if rate law is rate = k[A]x ? A) 3 B) 2 C) 4 D) 1
5 Which of the following is not present in baking powder? A) Potassium hydrogen tartrate B) sodium hydrogen carbonate C) Starch D) sodium carbonate
6 Which among the following is an example of allylic alcohol? A) Propane-1,3-diol B) 2-methylbut-3-en-2-ol C) propane-1,2,3-triol D) 2-phenyl propane-2-ol
7 Which of the following is obtained by catalytic oxidation of ammonia? A) $N_{2}O$ B) NO C) $HNO_{2}$ D) $NO_{2}$
8 Which of the following reaction of diazonium salt involves retention of diazonium group? A) Reaction with phosphinic acid B) Reaction with dilute sulphuric acid C) Reaction with HCl and Cu powder D) Reaction with phenol
9 Identify compound 'B' in following series of reactions? Acetonitrile $\underrightarrow{Na/alcohol}$ A $\underrightarrow{NaNo_{2}/dil.HCl}$ B A) Ethyl amine B) Nitroethane C) Ethyl alcohol D) Ethyl chloride
10 The equilibrium constant for a reaction is 20. what is the value of $\triangle G^{0}$ at 300 K ? (R=8 x 10-3 kJ) A) 16.63 kJ/mol B) -5.527 kJ/mol C) -2.763 kJ/mol D) -1.663 kJ/mol E) None of these
11 What is IUPAC name of hydroquinone? A) Benzene-1,3,5-triol B) Benzene-1,2-diol C) Benzene-1,4-diol D) Benzene-1,2,4-triol
12 An element has a bcc structure with cell edge of 288 pm . The density of element is 7.2 g cm-3. what is the atomic mass of an element ? A) 25.89 B) 51.78 C) 77.68 D) 62.43
13 Which carbon atoms of $\alpha$- D- glucopyranose and $\beta $- D- fructofuranose respectively are linked together to form glycosidic linkage in sucrose ? A) C-2 of $\alpha$-D-glucopyranose and C-2 of $\beta $- D fructofuranose B) C-1 of $\alpha$-D-glucopyranose and C-2 of $\beta $- D fructofuranose C) C-1 of $\alpha$-D-glucopyranose and C-6 of $\beta $- D fructofuranose D) C-2 of $\alpha$-D-glucopyranose and C-3 of $\beta $- D fructofuranose ?
14 For the reaction , $N_{2}(g)+3H_{2}\rightarrow2NH_{3}(g) ; \triangle H$ is equal to A) $\triangle U+2RT$ B) $\triangle U-RT$ C) $\triangle U-2RT$ D) $\triangle U+RT$
15 Identify the correct decreasing order of densities of d-block elements A) V > Cr > Fe > Ni B) Ni > Fe > Cr > V C) Fe > Ni > V > Cr D) Cr > Fe > V > Ni