MCQ
The number of ions given by $Na _3\left[ Fe ( CN )_6\right]$ in aqueous solution is ____________.
- A9
- B1
- ✓4
- D2
✓
Answer
Correct option: C.
4
C
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
Root hair occurs in the zone of ____________.
Which of the following properties is of thermoplastic polymer?
Complete the analogy.
1 primary spermatocyte : 4 spermatozoa :: 1 primary oocyte : ____________.
Two metal plates are separated by 2 cm. The potentials of the plates are -10 V and + 30 V. The electric field between the two plates is ______.
Metal rings P and Q are lying in the same plane, where current I is increasing steadily. The induced current in metal rings is shown correctly in figure.
What type of inter molecular force is present between magnesium chloride and water?
A uniform electric field is prevailing in X - direction in certain region. The coordinates of points P, Q, and R are (0, 0), (2, 0) and (0, 2) respectively. Which of the following alternatives is true for the potentials at these points?
A soap bubble is blown such that its diameter increases from $'d\ '$ to $'D\ '.$ The amount of work done is $.........(T =$ surface tension of soap solution$)$
→Identify the amine formed when ethyltrimethyl ammonium iodide is treated with silver hydroxide and further heated strongly.
Select the INCORRECT statement - ______