Arrange the following in decreasing order of their basic strength in aqueous solution
(A)C₆H₅NH₂
(B)C₂H₅NH₂
(C) (C₂H₅)₂NH
(D)NH₃

The ammonia derivatives of carbonyl compounds obtained as colorless precipitate are
(A) Oxime
(B) Hydrazone
(C) Phenyl hydrazone
(D) Semicarbazone
Choose the correct answer from the options given below:

What is the product of the following reaction?
\[R-CN \frac{H_2 / Ni}{Na(Hg) / C_2 H_5 OH}\]
The options are:

Deficiency disease caused due to deficiency of Vitamin \(K\) is :

Isopropylbromide reacts with silver nitrite to form major product as

Ethyl bromide is converted to succinic acid by using the following reagents in steps:
 A. \(KCN\)
B. \(Br_2\)
C. \(KOH\ (alc.)\)
D. \(H_2O/H^+\)
Choose the correct sequence of conversion:

Choose the correct statements from the following :
(A) two different solutions of sucrose of same molality prepared in different solventswill have the same depression in freezing point.
(B) the osmotic pressure of a solution is given by the equation \(II = CRT\) (where C is the molarity of the solution)
(C) decreasing order of osmotic pressure for 0.01 M aqueous solution of \(BaCl _2, KCl , CH _3 COOH\), and sucrose is \(BaCl _2 > KCl > CH _3 COOH >\) sucrose
(D) according to Raoult's law the vapor pressure exerted by a volatile component of asolution is directly proportional to its mole fraction in the solution
Choose the correct answer from the options given below :

Two numbers are selected without replacement at random, one at a time from the first six positive integers. Let x denotes the larger of the two numbers. Match List-I with List-II

List-I	List-II
(A) \(P(x=2)\)	(I) \(\frac{4}{15}\)
(B) \(P(x=3)\)	(II) \(\frac{1}{15}\)
(C) \(P(x=4)\)	(III) \(\frac{2}{15}\)
(D) \(P(x=5)\)	(IV) \(\frac{1}{5}\)

Choose the correct answer from the options given below:

The rate of a chemical reaction doubled for every \(10^{\circ} C\) rise in temperature. If the temperature is raised by \(50^{\circ} C\), the rate of reaction will be

A short bar magnet placed with its axis at \(30^\circ\) with a uniform external magnetic field of 0.24 T experiences a torque of magnitude 0.048 N m. The magnetic moment of the magnet is

Given below are some stages of human evolution. Arrange them in correct sequence (Past to Recent)
(A) Homo habilis
(B) Homo sapiens
(C) Homo neanderthalensis
(D) Homo erectus
Choose the correct answer from the options given below:

Which of the following represents Fehling solution B?

Which one of the following genotypes represents a similar skin color?