Question
Sodium dichromate:
✓
Answer
Step – 1 : To write the symbols of the radicals (Basic radical on the left and acidic radical on the right)
$Na Cr_2O_7$
Step – 2 : To write the valency below the respective radical.
$\begin{array}{cc}
\mathrm{Na} & \mathrm{Cr}_{2} \mathrm{O}_{7} \\
1 & 2
\end{array}$
Step – 3: To cross-multiply as shown by arrows the number of radicals.
Step – 4 : To write down the chemical formula of the compound.
$Na2Cr_2O_7$
(Sodium dichromate)
$Na Cr_2O_7$
Step – 2 : To write the valency below the respective radical.
$\begin{array}{cc}
\mathrm{Na} & \mathrm{Cr}_{2} \mathrm{O}_{7} \\
1 & 2
\end{array}$
Step – 3: To cross-multiply as shown by arrows the number of radicals.
Step – 4 : To write down the chemical formula of the compound.
$Na2Cr_2O_7$
(Sodium dichromate)
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
(1) Dr N. Gopinath – open heart surgery
(2) Ramchandra Sharma – a skilled craftsman
(3) Dr Subhash Mukhopadhyaya – test tube baby
(4) Dr Mohan Rao – polio (write the wrong pair)
(2) Ramchandra Sharma – a skilled craftsman
(3) Dr Subhash Mukhopadhyaya – test tube baby
(4) Dr Mohan Rao – polio (write the wrong pair)
Plants belonging to which group may be unicellular or multicellular?
Give Definition : Urban waste
Determine the resistance of a copper wire having a length of 1 km and diameter of 0.5 mm.
What is the minimum distance of the reflecting surface to hear an echo ?
Make pair :-Aluminium : ………………. :: Indium oxide : Super Insulator
What is the direction of velocity of an object performing uniform circular motion?
Monashee wants to displace a wooden block from point A to point B along the surface of a table as shown. She has used force F for the purpose.![]()
https://pg-data.sgp1.digitaloceanspaces.com/chapter_wise/15898/Q3.png" alt="Image" width="230" height="" />
(a) Has all the energy she spent been used to produce an acceleration in the block?
(b) Which forces have been overcome using that energy?
(a) Has all the energy she spent been used to produce an acceleration in the block?
(b) Which forces have been overcome using that energy?
Velocity of sound In air at 0°C is 332m/s It increases by 0.6mIs for each degree Celsius rise In temperature. What will be the velocity of sound at 60°C?
An arrow of 2.5cm height is placed at a distance of 25 cm from a diverging mirror of focal length 20 cm.
Find the nature, position and size of the image formed.
Find the nature, position and size of the image formed.