MP Police Constable Paper 2014 – General Science

Madhya Pradesh Constable Paper 2014 – Science
Vyapam Police Constable General Science Paper 2014

The maximum oxidation state of osmium is
(a) +6
(b) +7
(c) +8
(d) +3

The haloform reaction is NOT shown by
(a) Acetone
(b) 2-chloropropane
(c) Ethanol
(d) Methanol

Which gives aspirin upon acetylation ?
(a) O-Hydroxy benzoic acid
(b) m-Hydroxy benzoic acid
(c) P-Hydroxy benzonic acid
(d) P-dihyroxy benzoic acid

Of these, the most basic compound is
(a) Benzylamine
(b) Aniline
(c) Acetanilide
(d) P-Nitroaniline

Which is INCORRECT in deoxymyoglobin ?
(a) Fe is in high – spin state
(b) Fe is in +2 oxidation state
(c) Fe is not present in the plane of porphyrin ring
(d) Fe is Present in plane of the porphyrin ring

The temperature of the surface of the SUN is about 6000K. If we produce a tempeature of 7000K by focussing the sun-rays with a big lens, this will violate which law of thermodynamics –
(a) Zeroeth Law
(b) First Law
(c) Second Law
(d) Third Law

The protein responsible for blood clotting is
(a) Albumins
(b) Globulins
(c) Fibroin
(d) Fibrinogen

The number of tripeptides formed by three different amino acids are
(a) 3
(b) 4
(c) 5
(d) 6

Infrared spectroscopy for organic compounds involves electrmagnetic waves with wave number
(a) 4000 – 800 per cm
(b) 4000 – 667 per cm
(c) 5000 – 800 per cm
(d) 5000 – 667 per cm

Oct-4-ene shows C= C frequency in its infrared spectrum at
(a) 1680 – 1600 per cm (very weak)
(b) 1680 – 1600 per cm (very strong)
(c) 1680 – 1600 per cm (medium)
(d) No peak in this range

Benzylamine reacts with nitrous acid to form
(a) Azobenzene
(b) Benzene
(c) Benzylalcohol
(d) Phenol

Benzaldehyde and formaldehyde when mixed together and heated in aq. NaOH give
(a) Benzyl alcohol and sodium formate
(b) Sodium benzoate and methyl allcohol
(c) Sodium benzoate and sodium formate
(d) Benzyl alcohol and methyl alcohol