Question

# If then r is :

- 6
- 5
- 7
- 8

Hint:

### In the question we will use the formula on both sides then we will simplify to get the value of r.

## The correct answer is: 6

### Given,

### Related Questions to study

### Cyclic polymetaphosphates have the general formula of Cyclic trimeric polymetaphosphate, is a compound heaving commercial importance. Which of the following is/are true regarding -

### Cyclic polymetaphosphates have the general formula of Cyclic trimeric polymetaphosphate, is a compound heaving commercial importance. Which of the following is/are true regarding -

### If then n is :

### If then n is :

### STATEMENT EXPLANATION Although andPhosphorus has are known, thelower pentahalides of nitrogenelectronegativity have not been observedthan nitrogen.electronegativity

### STATEMENT EXPLANATION Although andPhosphorus has are known, thelower pentahalides of nitrogenelectronegativity have not been observedthan nitrogen.electronegativity

### Write the missing product in the following reaction–

### Write the missing product in the following reaction–

### In phosphorus estimation, the compound Mg NH_{4}PO_{4} is converted on ignition to–

### In phosphorus estimation, the compound Mg NH_{4}PO_{4} is converted on ignition to–

### If then r is :

### If then r is :

### Solid exists as–

### Solid exists as–

### The coefficient of in is

### The coefficient of in is

Statement I Two particles moving in the same direction do not lose all their energy in a completely inelastic collision.

Statement II Principle of conservation of momentum holds true for all kinds of collisions.

Statement I Two particles moving in the same direction do not lose all their energy in a completely inelastic collision.

Statement II Principle of conservation of momentum holds true for all kinds of collisions.

### The coefficient of in is

### The coefficient of in is

### (Me)_{2}SiCl_{2} on hydrolysis will produce -

### (Me)_{2}SiCl_{2} on hydrolysis will produce -

### The coefficient of in is

### The coefficient of in is

### (Me)_{2}SiCl_{2} on hydrolysis will produce -

### (Me)_{2}SiCl_{2} on hydrolysis will produce -

An elastic string of unstretched length and force constant is stretched by a small length . It is further stretched by another small length . The work done in the second stretching is

An elastic string of unstretched length and force constant is stretched by a small length . It is further stretched by another small length . The work done in the second stretching is