Chemistry Test ...

During discharging of a lead storage battery, which of the following is/are true?

Which of the following anions is present in the chain structure of silicates?

When a primary amine reacts with chloroform in alcoholic KOH. the product is:

Electronic configuration of a transition element \(X\) in \(+3\) oxidation state is \([A r] 3 d^{5} .\) What is its atomic number?

Although Zirconium belongs to 4d transition series and Hafnium to 5d transition series even then they show similar physical and chemical properties because:

What is the name of the following compound?

\(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COCl}\)

Which one of the following has the most nucleophilic nitrogen?

If \(\mathrm{H}-\mathrm{X}\) bond length is \(2.00 \mathring{A}\) and \(\mathrm{H}-\mathrm{X}\) bond has dipole moment \(5.12 \times 10^{-30} \mathrm{Cm}\), the percentage of iconic character in the molecule will be:

\(\left[ Pt \left( NH _{3}\right)_{4}\right]\left[ CuCl _{4}\right]\) and \(\left[ Cu \left( NH _{3}\right)_{4}\right]\left[ P tCl _{4}\right]\) are known as:

The solution of H₂O₂ can be stored for a long time at room temperature. However, bubbles of oxygen form as soon as a drop of bromine is added. The role of bromine for the reaction 2H₂O₂(aq) → 2H₂O(l) + O₂(g) is: