Question
Cyclic polymetaphosphates have the general formula of 
Cyclic trimeric polymetaphosphate, 
is a compound heaving commercial importance. Which of the following is/are true regarding -
- It has no P-P linkages
- It has three
linkages
- Both A & B are true
- Neither (A) nor (B) are true
linkages
The correct answer is: Both A & B are true
Related Questions to study
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 NH4PO4 is converted on ignition to–
In phosphorus estimation, the compound Mg NH4PO4 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)2SiCl2 on hydrolysis will produce -
(Me)2SiCl2 on hydrolysis will produce -
The coefficient of in 
is
The coefficient of in is
(Me)2SiCl2 on hydrolysis will produce -
(Me)2SiCl2 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
A shell of mass moving with velocity suddenly breaks into 2 pieces. The part having mass remains stationary. The velocity of the other shell will be
A shell of mass moving with velocity suddenly breaks into 2 pieces. The part having mass remains stationary. The velocity of the other shell will be
