List of practice Questions

Acceleration of the freely falling metal rod in a cycling ring?
Which of the following statement is incorrect?
A shell in projectile motion explodes while in motion, what is the trajectory of the center of the fragments?
Which of the following is true in an SHM?
When blue light is incident on metal surface, photoelectrons are emitted. When green light is incident, no photoelectrons are emitted. What is the number of photoelectrons emitted when yellow light is incident?
What is the ratio of gyration of ring and disc?
When a body is dropped from height H, the time taken to reach the ground is T. What is the time taken to reach height H/2 from the ground?
Which of the following has the smallest ionic radius?
Which of the following amino acids are synthesized in our body?
Which of the following has an expanded octet?
IUPAC name of C\(_6\)H\(_14\) is:
Name of the following reaction:
Benzaldehyde + Acetophenone → Benzalacetophenone
The pKa value of a 0.1 M solution of a weak acid HA with pH = 4 is:
Aspirin is also called:
Phenol can be converted into benzene by treating with:
Acetanilide is prepared by reacting -------and-------.
Which of the following shows -R effect?
Which of the following is more soluble in water at 298 K?
Preparation of KMnO\(_4\) from Mg(II):
Spin free complex?
Order of acidity CH=CH, CH₃-C=CH, CH₃-C=C-CH₃?
Amount of charge needed to dissociate MgClâ‚‚?
Aryl halides react with Na in dry ether gives diphenyls. Name of the reaction is:
\(\Delta H\) and \(\Delta S\) value of a reaction which is non-spontaneous at high T and spontaneous at low T is:
A subatomic particle of mass \(2.2 \times 10^{-28}\) kg. Velocity = \(3 \times 10^5 \, \text{ms}^{-1}\). De Broglie wavelength?