List of top Chemistry Questions

The compound or ion which is not aromatic in the following is
The number of network solids and ionic solids in the list given below is respectively
H$_2$O (ice), AlN, Cu, CaF$_2$, diamond, MgO, CCl$_4$, ZnS, Ag, NaCl, SiO$_2$
Assertion (A): Blood cells collapse when suspended in saline water
Reason (R): Cell membrane dissolves in saline water
The correct order of acidity of the following is:
order of acidity
Which of the following tetrahalides does not exist?
Identify the correct statements about Boron:
I. It has high melting point.
II. It has high density.
III. It has high electrical conductivity.
IV. B-10 isotope of it has high ability to absorb neutrons
What are X and Y respectively in the following reactions?
\( \text{X} + \text{D}_2\text{O} \rightarrow \text{CD}_2 + \text{P} \)
\( \text{Y} + \text{D}_2\text{O} \rightarrow \text{CD}_4 + \text{Q} \)
Among the gases a, b, c, d, e, and f, the gases that show only positive deviation from ideal behavior at all pressures in the graph are:
Among the gases a, b, c, d, e, and f, the gases
A cyclic process involves 3 states with 1 mole of ideal gas as follows:\ State 1: \( T = 300 \text{ K},\ P = 15 \text{ bar} \)\ State 2: \( T = 300 \text{ K},\ P = 10 \text{ bar} \)\ State 3: \( T = 300 \text{ K},\ P = 5 \text{ bar} \)\ Calculate the total work done during one complete cycle.
Identify the reaction/process in which the entropy increases.
The statement related to law of definite proportions is:
Choose the correct option from the following:
The correct order of the metallic character of the elements Be, Al, Na, K is:
If \( \Delta x \) is the uncertainty in position and \( \Delta v \) is the uncertainty in velocity of a particle and both are equal, then the correct expression for uncertainty in momentum for the same particle is:
Lithium shows diagonal relationship with element X and aluminum with element Y. Identify X and Y respectively.
Gabriel phthalimide synthesis is used for the preparation of which of the following?
Identify the major product formed from the following reaction sequence:
major product formed from the following reaction sequence:
Identify the major product from the following reaction sequence:
major product from the following reaction sequence
Reactant: 1-phenylpropanol
Curdling of milk is caused due to the formation of which of the following acids by bacteria?
In ruby and emerald, the metal ion(s) present is/are:
The rate for \( S_N1 \) reaction will be faster for which of the following bromides?
Assertion (A): 1-Bromopentane reacts with AgCN to give pentyl isocyanide.
Reason (R): AgCN is mainly ionic in nature.
The shapes of \( \text{XeF}_2 \), \( \text{XeF}_4 \), and \( \text{XeO}_3 \) respectively are:
The sol formed in the following unbalanced equation is: \[ \text{As}_2\text{O}_3 + \text{H}_2\text{S} \rightarrow ? \]
The colloidal solution used to treat stomach disorders is: