Chemistry – Important Questions Bank for Himachal Pradesh (HP) HSC 2016 Examination
We had mentioned some tips for cracking the HSC Himachal Pradesh (HP) exam here: HSC Study Tips to Crack HSC Exams.
We had also shared Important Questions Bank for HSC Examination 2016 and students have really appreciated it and showered us with love last year.
Today, we are posting the Chemistry – Important Questions Bank for Himachal Pradesh (HP) HSC 2016 Examination to make life easy for all you HSC students.
Without making you wait any further, please find the questions below:
Q.i (a) Give chemical reaction for diazotization reaction and Hoffmann Bromide reaction.
(b) What happen when :
(i) Methyl isocyanide is treated with ozone.
(ii) Methyl amine is treated with sodium nitrite and cold dil. HCl solution.
Q. ii. Write the mechanism of rusting of iron.
Q. iii. Name the phenomenon responsible for the similar properties of Zr and Hf. Define it.
Q. iv. Write a note on the following :
(a) Keimer – Tiemann Reaction
(b) Coupling Reaction
(c) Williamson’s Synthesis
Q. v. (a) Define Van’t Hoff Factor
(b) . A solution containing 12.5 gm of a non-electrolyte substance in 175 gm of water gave boiling point elevation of 0.70 K. Calculate the molar mass of the substance
(K6 for water = 0.52 K Kg mol–1)
Q. vi. (a) Define ppm.
(b) A solution of glucose in water is labelled as 10% (w/w). The density of the solution is 1.20 gm L–1. Calculate molality of solution.
Q. vii. (a) Define coordination entity.
(b) How many geometrical isomers of [Cr (en)2 Cl2]+ exist ? Which of these show optical activity ?
Q viii. Explain the following :
(a) PbQ2 is more stable than PbCl4.
(b) NH3 has higher boiling point than PH3.
(c) BF3 is a weaker Lewis Acid than BCl3.
Q ix. (a) How can you distinguish between :
i. aldehydes, ii ketones
(b) Write a note on the following :-
(i) H.V.Z. – Reaction
(ii) Cannizzaco’s Reaction
Q. x. (a) What type of bonds hold a DNA double helix together ?
(b) What are proteins ? State their biological importance.
Q. xi. (a) Give chemical reaction for Gabriel’s phthalimide synthesis.
(b) Explain, why ethyl amine is more basic than aniline.
(c) How will you convert aniline to phenol.
Q. xii. (a) Write the monomers of Terylene.
(b) Give the preparation of :
(i) Buna – S
(c) Define the Double Base Propellants.
Q. xiii. (a) Write the IUPAC system name of the complex compound :
NH4 [Cr(NH3)2 (NCS)4]
(b) Discuss the bonding in [Fe(CH)6]3-
(c) Define coordination entity.
(e) How many geometrical isomers of [Cr(en)2 CI2]+ exist ? Which of these show optical activity ?
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