Chemistry Test ...

Electrolysis of dilute aqueous \(NaCl\) solution was carried out by passing \(10\) milli ampere current. The time required to liberate \(0.01\) mol of \(H_{2}\) gas at the cathode is: (\(1\) Faraday \(=96500 Cmol ^{-1}\))

If \(1.202 {~g} {~mL}^{-1}\) is the density of \(20 \%\) aqueous KI, determine themolality of KI.

A poisonous gas is adsorbed at activated charcoal. The activated charcoal is:

The number of electrons, protons andneutrons in a species are equal to \(18\), \(16\)and \(16\) respectively. Assign the propersymbol to the species.

Which statement is correct?

Which of the following is Baeyer’sreagent?

The melting point of alkali metal is _____________.

The correct order of increasing acidic strength is:

Molecules: General formula. (n represents the number of carbon atoms in chain)

1. Aldehydes: \(C _{ n } H _{2 n } O\)

2. Carboxylic acids: \(C _{ n } H _{2 n } O _{2}\)

3. Cycloalkanes: \(C _{ n } H _{2 n }\)

4. Alkanes: \(C _{ n } H _{2 n +2}\)

Which of the above matching is correct? Choose from the options given below: