If electronegativity of element A, B ,C and D are 1.2, 2, 1.8 and 3 respectively then which of the following hydroxide is most basic in nature in aqueous solution? 1. AOH 2.BOH 3.COH 4.DOH

Which of the following salts is the most basic in aqueous solution? (a) Al(CN)_3 (b) CH_3COOK (c) FeCl_3 (d) Pb(CH_3COO)_2

Which of the following compounds is most basic? (a) NaCl (b) Na2CO_3 (c) CH_3COONa (d) NH_4Cl

Which of the following is a proper fraction? (a) 4/3 (b) 3/4 (c) 1 3/4 (d) 2 1/5

Which of the following sets are disjoint ? A = {2,3},B={4,5,6} C = {3,5,8},D={1,5,7} .

Which of the following can be slope of tangent to the hyperbola 4x^2-y^2=4? (a) 1 (b) -3 (c) 2 (d) -3/2

There are three elements A, B and C. their atomic number are Z_(1), Z_(2) and Z_(3) respectively. If Z_(1)-Z_(2)=2 and (Z_(1)+Z_(2))/(2)=Z_(3)-2 and the electronic configuration of element A is [Ar]3d^(6)4s^(2) , then correct order of magnetic momentum is/are:

There are three elements A, B and C. their atomic number are Z_(1), Z_(2) and Z_(3) respectively. If Z_(1)-Z_(2)=2 and (Z_(1)+Z_(2))/(2)=Z_(3)-2 and the electronic configuration of element A is [Ar]3d^(6)4s^(2) , then correct order of magnetic momentum is/are:

Ratio in which the xy-plane divides the join of (1, 2, 3) and (4, 2, 1) is a. 3:1 internally b. 3:1 externally c. 1:2 internally d. 2:1 externally

Aqueous solution of two compounds M_(1) - O - H and M_(2) - O - H are prepared in two different beakers . If electronegativity of M_(1) = 3.4, M_(2) = 1.2, 0 = 3.5 and H = 2.1 , then the nature of two solution will be respectively

Aqueous solution of two compounds M_(1) - O - H and M_(2) - O - H are prepared in two different beakers . If electronegativity of M_(1) = 3.4, M_(2) = 1.2, 0 = 3.5 and H = 2.1 , then the nature of two solution will be respectively