p- Block Elements — Chemistry STD 12 Science — Question

Which of the following statements are correct about this reaction?

Selenium has the unusual property of being a good conductor in light but a poor conductor in the dark. It was, therefore, used in making.

Relative lowering of vapour pressure is a colligative property because__________.

Which of the following alcohol has the maximum tendency to give hydrogen ions:

The pressure that a single component in a gaseous mixture would exert if it existed alone in the same volume as the mixture and at the same temperature as the mixture is referred to as.

A reversible galvanic cell is connected to an external battery. If the EMF of the battery is less than the EMF of the galvanic cell, then the current:

Ethyl ethanoate on reacting with excess of CH₃​MgBr will give:

Transition metals are often para magnetic owing to ____________.