229644 The vapour pressure of pure liquids \(A\) and \(B\) are 450 and \(700 \mathrm{~mm}\) of \(\mathbf{H g}\) at \(350 \mathrm{~K}\) respectively. If the total vapour pressure of the mixture is \(600 \mathrm{~mm}\) of \(\mathbf{H g}\), the composition of the mixture in the solution is

229646 \(\mathrm{K}_{\mathrm{a}}\) values for acids \(\mathrm{H}_2 \mathrm{SO}_3, \mathrm{HNO}_2, \mathrm{CH}_3 \mathrm{COOH}\) and \(\mathrm{HCN}\) are respectively \(1.3 \times 10^{-2}, \mathbf{4} \times 10^{-4}\), \(1.8 \times 10^{-5}\) and \(4 \times 10^{-10}\), which of the above acids produces stronger conjugate base in aqueous solution?

229652 In hydrolysis of a salt of weak acid and strong base, \(\quad \mathbf{A}^{-}+\mathbf{H}_2 \mathbf{O}\)\(\mathbf{H A}^{-}+\mathbf{O H}^{-}\), hydrolysis constant \(\left(K_h\right)\) is equal to :

229653 The conjugate base of the acid \(\mathrm{H}_2 \mathrm{~S}\) is :

229654 Identify the element that forms amphoteric oxide.

229644 The vapour pressure of pure liquids \(A\) and \(B\) are 450 and \(700 \mathrm{~mm}\) of \(\mathbf{H g}\) at \(350 \mathrm{~K}\) respectively. If the total vapour pressure of the mixture is \(600 \mathrm{~mm}\) of \(\mathbf{H g}\), the composition of the mixture in the solution is

229646 \(\mathrm{K}_{\mathrm{a}}\) values for acids \(\mathrm{H}_2 \mathrm{SO}_3, \mathrm{HNO}_2, \mathrm{CH}_3 \mathrm{COOH}\) and \(\mathrm{HCN}\) are respectively \(1.3 \times 10^{-2}, \mathbf{4} \times 10^{-4}\), \(1.8 \times 10^{-5}\) and \(4 \times 10^{-10}\), which of the above acids produces stronger conjugate base in aqueous solution?

229652 In hydrolysis of a salt of weak acid and strong base, \(\quad \mathbf{A}^{-}+\mathbf{H}_2 \mathbf{O}\)\(\mathbf{H A}^{-}+\mathbf{O H}^{-}\), hydrolysis constant \(\left(K_h\right)\) is equal to :

229653 The conjugate base of the acid \(\mathrm{H}_2 \mathrm{~S}\) is :

229654 Identify the element that forms amphoteric oxide.

229644 The vapour pressure of pure liquids \(A\) and \(B\) are 450 and \(700 \mathrm{~mm}\) of \(\mathbf{H g}\) at \(350 \mathrm{~K}\) respectively. If the total vapour pressure of the mixture is \(600 \mathrm{~mm}\) of \(\mathbf{H g}\), the composition of the mixture in the solution is

229646 \(\mathrm{K}_{\mathrm{a}}\) values for acids \(\mathrm{H}_2 \mathrm{SO}_3, \mathrm{HNO}_2, \mathrm{CH}_3 \mathrm{COOH}\) and \(\mathrm{HCN}\) are respectively \(1.3 \times 10^{-2}, \mathbf{4} \times 10^{-4}\), \(1.8 \times 10^{-5}\) and \(4 \times 10^{-10}\), which of the above acids produces stronger conjugate base in aqueous solution?

229652 In hydrolysis of a salt of weak acid and strong base, \(\quad \mathbf{A}^{-}+\mathbf{H}_2 \mathbf{O}\)\(\mathbf{H A}^{-}+\mathbf{O H}^{-}\), hydrolysis constant \(\left(K_h\right)\) is equal to :

229653 The conjugate base of the acid \(\mathrm{H}_2 \mathrm{~S}\) is :

229654 Identify the element that forms amphoteric oxide.

229644 The vapour pressure of pure liquids \(A\) and \(B\) are 450 and \(700 \mathrm{~mm}\) of \(\mathbf{H g}\) at \(350 \mathrm{~K}\) respectively. If the total vapour pressure of the mixture is \(600 \mathrm{~mm}\) of \(\mathbf{H g}\), the composition of the mixture in the solution is

229646 \(\mathrm{K}_{\mathrm{a}}\) values for acids \(\mathrm{H}_2 \mathrm{SO}_3, \mathrm{HNO}_2, \mathrm{CH}_3 \mathrm{COOH}\) and \(\mathrm{HCN}\) are respectively \(1.3 \times 10^{-2}, \mathbf{4} \times 10^{-4}\), \(1.8 \times 10^{-5}\) and \(4 \times 10^{-10}\), which of the above acids produces stronger conjugate base in aqueous solution?

229652 In hydrolysis of a salt of weak acid and strong base, \(\quad \mathbf{A}^{-}+\mathbf{H}_2 \mathbf{O}\)\(\mathbf{H A}^{-}+\mathbf{O H}^{-}\), hydrolysis constant \(\left(K_h\right)\) is equal to :

229653 The conjugate base of the acid \(\mathrm{H}_2 \mathrm{~S}\) is :

229654 Identify the element that forms amphoteric oxide.

229644 The vapour pressure of pure liquids \(A\) and \(B\) are 450 and \(700 \mathrm{~mm}\) of \(\mathbf{H g}\) at \(350 \mathrm{~K}\) respectively. If the total vapour pressure of the mixture is \(600 \mathrm{~mm}\) of \(\mathbf{H g}\), the composition of the mixture in the solution is

229646 \(\mathrm{K}_{\mathrm{a}}\) values for acids \(\mathrm{H}_2 \mathrm{SO}_3, \mathrm{HNO}_2, \mathrm{CH}_3 \mathrm{COOH}\) and \(\mathrm{HCN}\) are respectively \(1.3 \times 10^{-2}, \mathbf{4} \times 10^{-4}\), \(1.8 \times 10^{-5}\) and \(4 \times 10^{-10}\), which of the above acids produces stronger conjugate base in aqueous solution?

229652 In hydrolysis of a salt of weak acid and strong base, \(\quad \mathbf{A}^{-}+\mathbf{H}_2 \mathbf{O}\)\(\mathbf{H A}^{-}+\mathbf{O H}^{-}\), hydrolysis constant \(\left(K_h\right)\) is equal to :

229653 The conjugate base of the acid \(\mathrm{H}_2 \mathrm{~S}\) is :

229654 Identify the element that forms amphoteric oxide.