For the following questions answer them individually
The structure of intermediate A in the following reaction, is:

If the rate constant for a first order reaction is k, the time (t) required for the completion of 99% of the reaction is given by:
Which mixture of the solutions will lead to the formation of negatively charged colloidal $$[AgI]I^-$$ sol. ?
Match the Xenon compounds in Column - I with its structure in Column - II and assign the correct code:

Which of the following is incorrect statement ?
4d, 5p, 5f and 6p orbitals are arranged in the order of decreasing energy. The correct option is:
Which of the following series of transitions in the spectrum of hydrogen atom falls in visible region ?
The non-essential amino acid among the following is:
Which of the following is an amphoteric hydroxide ?
Among the following, the narrow spectrum antibiotic is: