ENTRANCE TEST – 2015 Multiple Questions and Answers.




1.An organic acid ‘z’ reacts separately with sodium bicarbonate, sodium hydroxide and sodium carbonate. Which one of the following represent the structure of ‘z’?
A. HCOOC2H5
B. CH3―CH=CH2
C. CH3CH2OH
D. H3C―CH2―COOH

2.Carboxylic acids are rather hard to reduce, which powerful reducing agent can be used to convert them to the corresponding primary alcohol:
A. H2SO4/HgSO4
B. V2O5
C. LiAlH4
D. K2Cr2O7/H2SO4

3.Which one of the following amino acids is basic in nature?
A. Glycine
B. Alanine
C. Lysine
D. Glutamic acid

4.How many moles of sodium are present in 0.1 g of sodium?
A. 4.3 × 10-3
B. 4.03 × 10-1
C. 4.01 × 10-2
D. 4.3 × 10-2

5.With the help of spectral data given calculate the mass of Neon and encircle the best option. (Percentage of 10Ne20, 10Ne21 and 10Ne22 are 90.92%, 0.26% and 8.82% respectively).
A. 22.18 amu
B. 21.18 amu
C. 20.18 amu
D. 22.20 amu

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